Moisture-proof device for power electronic component

Abstract

The utility model relates to the technical field of electrical equipment, in particular to a moisture-proof device for power electronic components, which comprises a box body, and lockable universal wheels are mounted at four corners of the bottom of the box body. In the moving process of the movable rod, the movable plate is driven to move and the reset spring is compressed, the box cover is placed at the top of the storage box and then connected into the limiting groove through the limiting plate, the movable block is loosened after the bottom of the box cover is attached to the top of the storage box, limitation of the reset spring is relieved, and the movable rod is driven to reset and synchronously connected into the positioning hole. And the box cover and the storage box are fixed, operation is convenient, internal drying agents can be conveniently and regularly replaced, and therefore the problem that when traditional electronic components are stored, effective moisture prevention cannot be conducted on the electronic components, and consequently use of the electronic components is affected is effectively solved.

Description

Technical Field

[0001] The utility model relates to the technical field of electrical equipment, in particular to a moisture-proof device for power electronic components. Background Art

[0002] Electronic components are components of electronic elements and small machines and instruments. They are usually composed of several parts and can be used in similar products. They often refer to certain parts of electrical appliances, radio, instruments and other industries. They are the general term for electronic devices such as capacitors, transistors, hairsprings, and springs. Common ones include diodes. Since electronic components are connected through circuits, they are easily short-circuited after being exposed to moisture, causing damage to electronic components and even affecting other equipment and parts. Traditional storage of electronic components lacks effective moisture-proof protection, which can easily affect the use of electronic components and cause certain economic losses.

[0003] In summary, the utility model solves the existing problems by designing a moisture-proof device for power electronic components. Utility Model Content

[0004] The purpose of the utility model is to provide a moisture-proof device for power electronic components to solve the problems raised in the above background technology.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A moisture-proof device for power electronic components, comprising a box, wherein lockable universal wheels are installed at the four corners of the bottom of the box, a push rod is installed at the top edge of a narrower side of the box, a ventilation fan is installed on the side of the box away from the push rod, a box door is installed on the wider side of the box, a handle is installed at the edge of one end of the outer side of the box door, and a transparent plate is embedded on the outer side of the box door;

[0007] Baffles are symmetrically installed on the narrower two sides of the interior of the box body, a storage box is installed inside the box body and at the top of the two baffles, limiting plates are symmetrically installed at the two shorter edges of the top of the storage box, positioning holes are provided on the outer sides of the limiting plates, a box cover is installed on the top of the storage box, a number of through holes are provided on the top of the box cover, limiting grooves are symmetrically provided on the narrower two sides of the exterior of the box cover, fixing blocks are symmetrically installed at the two shorter edges of the top of the box cover and close to the limiting grooves, a movable block is installed on the outer side of the fixing block, a cavity is provided inside the fixed block, a movable rod is installed on one side wall of the interior of the cavity, a return spring is installed on the outer ring surface of the movable rod, a movable plate is installed on one end of the return spring, and a storage rack is installed inside the box body and above the box cover.

[0008] As a preferred solution of the utility model, the lockable universal wheel bolt is installed at the bottom of the box body, which is a detachable structure, wherein a brake structure is provided on the lockable universal wheel, which can be braked by pressing down or stepping on it, and can be resumed by lifting it up.

[0009] As a preferred solution of the utility model, the outer side dimension of the material storage box matches the inner side wall dimension of the box body, and the material storage box slides into the interior of the box body through the top of the baffle.

[0010] As a preferred solution of the present invention, the size of the outer side surface of the limiting plate matches the size of the inner side wall of the limiting groove, and the outer side surface of the limiting plate is slidably connected to the inner side wall of the limiting groove.

[0011] As a preferred solution of the utility model, the size of the outer ring surface of the movable rod matches the size of the inner side wall of the positioning hole, and the outer ring surface of the movable rod is slidably connected to the inner side wall of the positioning hole.

[0012] As a preferred solution of the utility model, one end of the movable rod passes through an inner wall of the cavity and then extends to the outside of the fixed block to be connected to the movable block, and the end of the movable rod away from the movable block passes through the inner wall of the return spring and then passes through the movable plate and then passes through the other inner wall of the cavity and then extends to the outside of the fixed block, and the outer annular surface of the movable rod is fixedly connected to the interior of the movable plate.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] 1. In the utility model, a moisture-proof device for power electronic components is designed, and the movable rod is driven to move by pulling the movable block, and the movable plate is driven to move and compress the reset spring during the movement of the movable rod. After the box cover is placed on the top of the storage box, it is connected to the limit groove through the limit plate, so that the bottom of the box cover is fitted with the top of the storage box, and then the movable block is released, the restriction of the reset spring is released, and the movable rod is reset and synchronously connected to the positioning hole, so that the box cover and the storage box are fixed. The operation is convenient and it is convenient to regularly replace the internal desiccant, thereby effectively solving the problem that traditional electronic components cannot be effectively moisture-proofed during storage, which affects the use of electronic components. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 For this utility model Figure 1 Schematic diagram of the internal structure;

[0017] Figure 3 For this utility model Figure 2 Schematic diagram of some structures;

[0018] Figure 4 For this utility model Figure 3 Schematic diagram of some structural layers;

[0019] Figure 5 For this utility model Figure 4 Schematic diagram of some structures.

[0020] In the figure: 1. box body; 2. lockable universal wheel; 3. push rod; 4. ventilation fan; 5. box door; 6. handle; 7. transparent plate; 8. baffle; 9. storage box; 10. limit plate; 1001, positioning hole; 11. box cover; 1101, through hole; 1102, limit groove; 12, fixed block; 1201, cavity; 13, movable block; 14, movable rod; 15, reset spring; 16, movable plate; 17, storage rack. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0022] To facilitate the understanding of the present invention, the present invention will be described more comprehensively below with reference to the relevant drawings, and several embodiments of the present invention are given. However, the present invention can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present invention more thorough and comprehensive.

[0023] It should be noted that when an element is referred to as being "fixed on" another element, it may be directly on the other element or there may also be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used in this article are for illustrative purposes only.

[0024] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by technicians in the technical field of the present invention. The terms used in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used in this article includes any and all combinations of one or more related listed items.

[0025] For examples, see Figure 1-5 , the utility model provides a technical solution:

[0026] A moisture-proof device for power electronic components, comprising a box body 1, wherein lockable universal wheels 2 are installed at the four corners of the bottom of the box body 1, a push rod 3 is installed at the top edge of the narrower side of the outer side of the box body 1, a ventilation fan 4 is installed on the side of the outer side of the box body 1 away from the push rod 3, a box door 5 is installed on the wider side of the outer side of the box body 1, a handle 6 is installed at the edge of one end of the outer side of the box door 5, and a transparent plate 7 is embedded on the outer side of the box door 5;

[0027] Baffles 8 are symmetrically installed on the narrower two sides of the interior of the box body 1, a storage box 9 is installed inside the box body 1 and on the top of the two baffles 8, a limiting plate 10 is symmetrically installed at the two shorter edges of the top of the storage box 9, a positioning hole 1001 is provided on the outer side of the limiting plate 10, a box cover 11 is installed on the top of the storage box 9, a plurality of through holes 1101 are provided on the top of the box cover 11, and limiting grooves 1102 are symmetrically provided on the narrower two sides of the exterior of the box cover 11, a fixed block 12 is symmetrically installed at the two shorter edges of the top of the box cover 11 and close to the limiting grooves 1102, a movable block 13 is installed on the outer side of the fixed block 12, a cavity 1201 is provided inside the fixed block 12, a movable rod 14 is installed on one side wall of the inner side of the cavity 1201, a return spring 15 is installed on the outer ring surface of the movable rod 14, and a movable plate 16 is installed on one end of the return spring 15, and a storage rack 17 is installed inside the box body 1 and above the box cover 11.

[0028] Specifically, refer to Figure 3 and Figure 4 The outer side surface size of the limiting plate 10 matches the inner side wall size of the limiting groove 1102, and the outer side surface of the limiting plate 10 is slidingly connected to the inner side wall of the limiting groove 1102, thereby ensuring that when the box cover 11 is placed on the top of the storage box 9, the limiting plate 10 is connected to the limiting groove 1102 to limit the box cover 11.

[0029] Furthermore, the lockable universal wheel 2 is bolted to the bottom of the box 1, which is a detachable structure, wherein a brake structure is provided on the lockable universal wheel 2, which can be braked by pressing down or stepping on it, and can be resumed by lifting it, thereby ensuring that the device is easy to move.

[0030] Furthermore, the outer side dimensions of the storage box 9 match the inner side wall dimensions of the housing 1 , and the storage box 9 slides into the interior of the housing 1 through the top of the baffle 8 , thereby ensuring that the storage box 9 is placed on top of the two baffles 8 after the desiccant is placed inside.

[0031] Furthermore, the outer ring surface size of the movable rod 14 matches the inner wall size of the positioning hole 1001, and the outer ring surface of the movable rod 14 is slidably connected to the inner wall of the positioning hole 1001, thereby ensuring that the box cover 11 is fixed to the top of the storage box 9 by connecting the movable rod 14 to the inside of the positioning hole 1001.

[0032] For details, please refer to Figure 5 After the movable block 12 is released, the movable rod 14 is driven to reset and synchronously access the positioning hole 1001, thereby fixing the box cover 11 and the storage box 9. The box cover 11 is convenient to operate and can be easily replaced by the user.

[0033] The working process of the utility model: using a moisture-proof device for power electronic components designed by the present invention, in the process of moisture-proof storage of power electronic components, holding the push rod 3 with both hands, the device can be moved through the lockable universal wheel 2, the storage situation inside the box 1 can be observed through the transparent plate 7, the box door 5 can be opened through the handle 6, the electronic components are placed on the top of the shelf 17, the ventilation effect inside the box 1 is increased by the ventilation fan 4, after the desiccant is placed inside the storage box 9, the movable block 13 is pulled outward to drive the movable rod 14 to move, and the movable plate 16 is driven to move and compress the reset spring during the movement of the movable rod 14. 15. After placing the box cover 11 on the top of the storage box 9, it is connected to the limiting groove 1102 through the limiting plate 10, so that the bottom of the box cover 11 fits with the top of the storage box 9 and then the movable block 13 is released. The restriction of the reset spring 15 is released, driving the movable rod 14 to reset and synchronously connect to the positioning hole 1001, and the box cover 11 and the storage box 9 are fixed. The storage box 9 is slid into the interior of the box body 1 through the top of the two baffles 8. The desiccant can absorb the water vapor inside the box body 1, and the water vapor can be absorbed into the storage box 9 through the through hole 1101. The operation is convenient and it is convenient to regularly replace the internal desiccant, which increases the practicality of the device.

[0034] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A moisture-proof device for power electronic components, comprising a box (1), characterized in that: Lockable universal wheels (2) are installed at the four corners of the bottom of the box (1); a push rod (3) is installed at the top edge of the narrower side of the box (1); a ventilation fan (4) is installed on the side of the box (1) away from the push rod (3); a box door (5) is installed on the wider side of the box (1); a handle (6) is installed at the edge of one end of the outer side of the box door (5); and a transparent plate (7) is embedded on the outer side of the box door (5); Baffles (8) are symmetrically mounted on the narrower two sides of the box body (1); a material storage box (9) is mounted inside the box body (1) and on top of the two baffles (8); limiting plates (10) are symmetrically mounted at the two shorter edges of the top of the material storage box (9); positioning holes (1001) are provided on the outer sides of the limiting plates (10); a box cover (11) is mounted on the top of the material storage box (9); a plurality of through holes (1101) are provided on the top of the box cover (11); limiting grooves (1102) are symmetrically mounted on the narrower two sides of the outside of the box cover (11); Fixed blocks (12) are symmetrically mounted at two shorter edges of the top of the cover (11) and close to the limiting groove (1102); a movable block (13) is mounted on the outer surface of the fixed block (12); a cavity (1201) is provided inside the fixed block (12); a movable rod (14) is mounted on a side wall inside the cavity (1201); a return spring (15) is mounted on the outer ring surface of the movable rod (14); a movable plate (16) is mounted on one end of the return spring (15); and a storage rack (17) is mounted inside the box body (1) and above the box cover (11).

2. A moisture-proof device for power electronic components according to claim 1, characterized in that: The lockable universal wheel (2) is bolted to the bottom of the box (1) and is a detachable structure, wherein a brake structure is provided on the lockable universal wheel (2), which can be braked by pressing down or stepping on it, and can resume movement by lifting it up.

3. A moisture-proof device for power electronic components according to claim 1, characterized in that: The dimensions of the outer side surface of the material storage box (9) match the dimensions of the inner side wall of the box body (1), and the material storage box (9) slides into the interior of the box body (1) through the top of the baffle plate (8).

4. A moisture-proof device for power electronic components according to claim 1, characterized in that: The dimensions of the outer side surface of the limiting plate (10) match the dimensions of the inner side wall of the limiting groove (1102), and the outer side surface of the limiting plate (10) is slidably connected to the inner side wall of the limiting groove (1102).

5. A moisture-proof device for power electronic components according to claim 1, characterized in that: The size of the outer ring surface of the movable rod (14) matches the size of the inner wall of the positioning hole (1001), and the outer ring surface of the movable rod (14) is slidably connected to the inner wall of the positioning hole (1001).

6. A moisture-proof device for power electronic components according to claim 1, characterized in that: One end of the movable rod (14) passes through an inner wall of the cavity (1201) and then extends to the outside of the fixed block (12) to be connected to the movable block (13); and one end of the movable rod (14) away from the movable block (13) passes through the inner wall of the return spring (15) and then passes through the movable plate (16) and then passes through the other inner wall of the cavity (1201) and then extends to the outside of the fixed block (12); the outer annular surface of the movable rod (14) is fixedly connected to the inside of the movable plate (16).

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